List of practice Questions

Appearance of antibiotic-resistant bacteria is an example of
Appearance of brown spots surrounded by chloroticveins is a prominent toxicity symptom of
Appendicular skeleton includes
Antibiotics are drugs commonly used to cure diseases of
Antigen binding site in an antibody is found between
Apex part of the heart belongs to
Apical dominance in plants is caused by
Animal husbandry and plant breeding programmes are the examples of
Animals devoid of red blood were placed by Aristotle under
Ankur appeared in an examination which has 5 subjects, out of five, in four subjects he got $90, 70, 75, 65$ marks respectively. The minimum & maximum marks he should score in fifth subject so that the average mark is greater than or equal to 70 and less than or equal to 75 is
Anti-Markovnikov?? addition of HBr is not observed in
Aniline reacts with which of these to form Schiff base ?
Anhydrous $ {AlCl_3}$ is prepared from
Anhydrous cobalt (II) chloride is blue in colour but on dissolving in water it changes to pink in colour because
Anhydrous stannous chloride can be prepared by
Angle between the plane of vibration and plane of polarization is
Analogue of mass in rotational motion is
Analysis shows that an oxide ore of nickel has formula $Ni_{0.98} O_{1.00}$ The percentage of nickel as $Ni^{3+}$ ions is nearly
Andalusian fowls have two pure forms ?
An urn contains 7 red and 4 blue balls. Two balls are drawn at random with replacement. If the events are independent, then the probability of getting two red balls is
An urn shaped population age pyramid represents
Anaerobic respiration takes place in
Analogous organs arise due to
An orthogonal matrix is
An oxide $X$ in its normal form is almost non- reactive due to very high $X - O$ bond enthalpy. It resists the attack by halogens, hydrogen and most of acids and metals even at elevated temperatures. It is only attacked by $HF$ and $NaOH$. The oxide $X$ is